Home / 154,555.53-213,286.57-94,126.15

Finding the Fourth Proportional to 154,555.53, 213,286.57 and 94,126.15

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Solution

The fourth proportional to 154,555.53, 213,286.57 and 94,126.15 is: 129,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,555.53 : 213,286.57 = 94,126.15 : x
  2. Step 2: Convert to fraction form
    154,555.53/213,286.57 = 94,126.15/x
  3. Step 3: Cross multiply
    154,555.53x = 213,286.57 × 94,126.15
  4. Step 4: Simplify right side
    154,555.53x = 20,075,843,680.81
  5. Step 5: Solve for x
    x = 20,075,843,680.81/154,555.53
  6. Step 6: Final answer
    x = 129,894.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.